Cita APA (7th ed.)

Nicholls, A., & Nicholls, S. H. (1972). Developing a curriculum: A practical guide (New ed.). George Allen & Unwin.

Cita Chicago (17th ed.)

Nicholls, Audrey, i Stanley Howard Nicholls. Developing a Curriculum: A Practical Guide. New ed. London: George Allen & Unwin, 1972.

Cita MLA (9th ed.)

Nicholls, Audrey, i Stanley Howard Nicholls. Developing a Curriculum: A Practical Guide. New ed. George Allen & Unwin, 1972.